Usually in a wood frame house there will be a wood header beam supporting the garage door opening the metal lintel supports only the brick facade and is bolted to the beam.
Wood beam over garage door.
Tables providing size selections for various beam spans and loading combinations for southern pine dimension lumber and southern pine glued laminated timber are available for the following applications.
The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
Rarely a steel or iron if very old house beam would be in there but is more common in solid brick or stone construction but unless the lintel is a substantial.
Window door garage door headers supporting roof wall floor loads.
Width of garage door opening standard widths are 8 9 10 12 14 16 17 and 18 height of the garage door opening standard residential heights are 7 7 6 8 header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
Multiple span beams such as this continuous garage door header shown in figure 8 can become problematic as the wall between the 2 openings typically isn t sufficient to brace the bottom of the beam.
Building a structural header for a garage door opening can be handled on the jobsite and will offer the same structural support as more expensive solid wood beams.
Continuous garage door header.